Browsing R. Badlishah Ahmad, Prof. Ir. Ts. Dr. by Author "R. Badlishah, Ahmad, Assoc. Prof. Dr."
Now showing items 1-16 of 16
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A Bandwidth-improved slotted circular microstrip antenna (CMSA) for High Altitude Platform Stations (HAPS)
Ezanuddin, A. A. M.; Mohd Fareq, Malek; Soh, Ping Jack; R. Badlishah, Ahmad, Assoc. Prof. Dr. (Institute of Electrical and Electronics Engineering (IEEE), 2010-04-12)An investigative design of a circular microstrip antenna (CMSA) and its related geometry intended for 5850 - 7075 MHz Malaysia HAPS operating band is presented. The structure consists of three layers, with the radiator ... -
Design and analysis of a novel dielectric loaded helical antenna
Ezanuddin, A. A. M.; Soh, Ping Jack; Azremi, Abdullah Al Hadi; R. Badlishah, Ahmad, Assoc. Prof. Dr. (World Scientific and Engineering Academy and Society (WSEAS) Press, 2009)Helical antennas have been a popular antenna configuration for various applications for its simple structure. This work describes the study on a novel, custom-shaped dielectric loaded helical antenna incorporated on an ... -
Design and analysis of an UTeM antenna
Dalila, Misman; Mohamad Zoinol A., Abdul Aziz; Soh, Ping Jack; R. Badlishah, Ahmad, Assoc. Prof. Dr. (Institute of Electrical and Elctronics Engineering (IEEE), 2010-04-12)Meander line antenna design with parasitic element was investigated. The overall antenna design structure referred to the UTeM logo. This antenna has been designed to operate at 2.4GHz which are specified by IEEE 802.11b/g ... -
Design and simulation of Orthogonal Frequency Division Multiplexing transceiver system using Differential Phase Shift Keying (DPSK) for Wireless Local Area Network
Hasliza, A. Rahim; Murthy, N. S.; Mohd Fareq, Abd Malek. Dr.; R. Badlishah, Ahmad, Assoc. Prof. Dr.; 'Aini Syuhada, Md Zain (Institute of Electrical and Electronics Engineers (IEEE), 2010-05-11)Orthogonal Frequency Division Multiplexing (OFDM) is predicted to be implemented in future broadcasting and Wireless Local Area Network (WLAN) systems due to its robustness in transmitting a high data rate. Some examples ... -
Development of Discrete Wavelet Transform (DWT) toolbox for signal processing applications
Mousa K., Wali; Murugappan, M., Dr.; R. Badlishah, Ahmad, Assoc. Prof. Dr.; Bong, Siao Zheng (Institute of Electrical and Electronics Engineers (IEEE), 2012-02-27)Discrete Wavelet Transform (DWT) plays a significant role in several image and signal processing applications. Most of the researchers are using different wavelet toolboxes for their application and research investigation. ... -
Development of EEG data acquisition device by using TS7800 Single Board Computer (SBC)
Mousa K. Wali; Murugappan, M., Dr.; R. Badlishah, Ahmad, Assoc. Prof. Dr. (Universiti Malaysia Perlis (UniMAP)School of Mechatronic Engineering, 2012-02-27)Electroencephalogram (EEG) plays a vital role in several medical diagnosis (brain tumor detection, Alzheimer disease, epilepsy, etc), engineering applications (emotion detection, drowsiness detection, stress assessment, ... -
Educational Antenna Traning Set for Radiation Pattern Plotting and Analysis Using Basic Antenna Shapes
Azremi, Abdullah Al Hadi; Soh, Ping Jack; Dayang Khadijah, Hamzah; R. Badlishah, Ahmad, Assoc. Prof. Dr. (Malaysian Invention and Design Society (MINDS), 2007-05-18)A set of 17 antennas which are designed using different concepts are implemented on low profile microstrip patch antennas. -
Effective design of optical code-division multiple access network using random diagonal codes
Hilal Adnan, Fadhil, Dr.; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; R. Badlishah, Ahmad, Assoc. Prof. Dr. (Institute of Electrical and Electronics Engineers (IEEE), 2008-08-26)In this paper we study the use of a new code called Random Diagonal (RD) code for Spectral Amplitude Coding (SAC) optical Code Division Multiple Access (CDMA) networks, using Fiber Bragg-Grating (FBG), FBG consists of a ... -
Embedded Networked Sensing System
R. Badlishah, Ahmad, Assoc. Prof. Dr.; Mohamad Rizon, Mohamed Juhari, Assoc. Prof. Dr.; Wan Muhamad Azmi, Mamat; Ahmad Nasir, Che Rosli; Shuhaizar, Daud; Abdul Halis, Abdul Aziz; Intan Shafinaz, Mohammad; Nurfarhana, Maamor (School of Computer & Communication Engineering, 2008-01-09)Develop a reliable data acquisition sensing system based on 32 bit single board computer using Linux which collect analog sensor's input and store on server. -
Embedded system of DNA exon predictor using Hidden Markov Model
Habibi Husain, Arifin; Ahmad Nasir, Che Rosli; R. Badlishah, Ahmad, Assoc. Prof. Dr.; Rerrianto, Gozali, Ir.; Suhartati, Agoes, Dr. Ir.; Endang, Djuana; Md Mostafijur, Rahman; Safarin, Samsudin (Universiti Sains Islam Malaysia (USIM), 2010-09-26)Philosopher have been trying to understand in any branchers of Artificial Intelligence since thousand years ago. Al in Bioscience was born combined with Bioinformatic and produces many kinds of research areas especially ... -
Face Reader Using Single Board Computer & GNU-Linux
Ali Yeon, Md. Shakaff, Prof. Dr.; R. Badlishah, Ahmad, Assoc. Prof. Dr.; Mohd Rizon, Mohamed Juhari, Assoc. Prof. Dr.; Ahmad Nasir, Che Rosli; Wan Muhammad Azmi, Mamat (Malaysian Invention and Design Society (MINDS), 2007-05-18)Embedded system for biometric identification based on iris detection. -
Hybrid OCDMA/WDM system using complementary detection technique for FTTH access networks
Nasim, Ahmed; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; Hilal Adnan, Fadhil, Dr.; R. Badlishah, Ahmad, Assoc. Prof. Dr.; Mohd Abdur, Rashid, Dr. (Institute of Electrical and Electronics Engineers (IEEE), 2011-09-25)A hybrid optical code division multiple access (OCDMA) over wavelength division multiplexing (WDM) system is proposed for supporting large numbers of subscriber for fiber-to-the-home (FTTH) network. The system combines two ... -
Metamaterial entrenched circular microstrip antenna for Malaysia HAPS
Muhammad Ezanuddin, Abdul Aziz; Mohd Fareq, Malek, Dr.; Soh, Ping Jack; R. Badlishah, Ahmad, Assoc. Prof. Dr. (Institute of Electrical and Electronics Engineers (IEEE), 2010-04-12)A circularly microstrip antenna (CMSA) with its related geometry intended for 5850-7075 MHz Malaysia HAPS operating band are presented here. Construction are made into three layers having layer three surface copper ... -
New code structures based on coherent and incoherent sources for spectral amplitude coding-OCDMA systems
Hilal Adnan, Fadhil, Dr.; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; R. Badlishah, Ahmad, Assoc. Prof. Dr. (Institute of Electrical and Electronics Engineers (IEEE), 2009-04-03)A new code of optical code division multiple access (OCDMA) based on Spectral Amplitude Coding (SAC) is described and analyzed. The coding technique is called Random Diagonal "RD" code. One of the important properties of ... -
Performance improvement of spectral amplitude coding-optical code division multiple access systems using NAND detection with enhanced double weight code
Nasim, Ahmed; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; R. Badlishah, Ahmad, Assoc. Prof. Dr. (The Optical Society of Japan, 2012-01)The bit-error rate (BER) performance of the spectral amplitude coding-optical code division multiple access (SACOCDMA) system has been investigated by using NAND subtraction detection technique with enhanced double weight ... -
TCP Vegas’ adaptive CWND in wireless IPv4 and IPv6 networks
Yew, B. S.; Ong, Bi Lynn, Dr.; R. Badlishah, Ahmad, Assoc. Prof. Dr. (Universiti Malaysia Perlis (UniMAP)School of Mechatronic Engineering, 2012-02-27)In a network, TCP sends burst of data during its initial state due to the aggressive increase of congestion window (CWND) size. The aggressive increase in congestion window size causes traffic overload. In our work, we ...